libgcrypt fails to compile with Xcode 9 against iOS 11 SDK

[Chris Ballinger]

Resending again because I think it bounced?

On Sat, Sep 30, 2017 at 12:57 PM, Chris Ballinger <chrisballinger at gmail.com>
wrote:

> Resending due to DMARC failure...
>
> ---------- Forwarded message ----------
> From: Chris Ballinger <chris at chatsecure.org>
> Date: Fri, Sep 29, 2017 at 1:44 PM
> Subject: Re: libgcrypt fails to compile with Xcode 9 against iOS 11 SDK
> To: gcrypt-devel <gcrypt-devel at gnupg.org>
>
>
> An additional problem I found in v1.8.1 with Xcode 9. The
> mpih-add1-asm.S asm fails to compile for arm64. Reverting to 1.7.9 also
> does not fix the issue.
>
> mpih-add1-asm.S:37:1: error: unknown directive
> .type _gcry_mpih_add_n,%function
> ^
> mpih-add1-asm.S:71:1: error: unknown directive
> .size _gcry_mpih_add_n,.-_gcry_mpih_add_n;
> ^
>
>
> On Fri, Sep 29, 2017 at 12:00 PM, Chris Ballinger <chris at chatsecure.org>
> wrote:
>
>> This affects 1.7.x (and probably lower) through 1.8.1. The issue is that
>> calling 'system()' is not allowed on iOS and is a now compile error with
>> the latest Xcode 9 / iOS 11 toolchain.
>>
>> For now I will just comment out the system() calls, but I'll submit a
>> better ifdef patch when I get around to it.
>>
>>
>> random.c:556:11: error: 'system' is unavailable: not available on iOS
>>
>>       if (system (cmdline))
>>
>>           ^
>>
>> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneS
>> imulator.platform/Developer/SDKs/iPhoneSimulator11.0.sdk/usr/include/stdlib.h:195:6:
>> note:
>>
>>       'system' has been explicitly marked unavailable here
>>
>> int      system(const char *) __DARWIN_ALIAS_C(system);
>>
>>          ^
>>
>
>
>
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